Buggy code:
private ( CompletionOnJavadocTag javadocTag ) { } private void findJavadocInlineTags ( CompletionOnJavadocTag javadocTag ) { } private void findKeywords ( char [ ] keyword , char [ ] [ ] choices , boolean canCompleteEmptyToken , boolean staticFieldsAndMethodOnly ) { } private void findTrueOrFalseKeywords ( char [ ] [ ] choices ) { } private void findKeywordsForMember ( char [ ] token , int modifiers ) { } private void findMemberTypes ( char [ ] typeName , ReferenceBinding [ ] memberTypes , ObjectVector typesFound , ReferenceBinding receiverType , SourceTypeBinding invocationType , boolean staticOnly , boolean staticFieldsAndMethodOnly , boolean fromStaticImport , boolean checkQualification , Scope scope ) { } private void findMemberTypes ( char [ ] typeName , ReferenceBinding receiverType , Scope scope , SourceTypeBinding typeInvocation , boolean staticOnly , boolean staticFieldsAndMethodOnly , ObjectVector typesFound ) { } private void findMemberTypes ( char [ ] typeName , ReferenceBinding receiverType , Scope scope , SourceTypeBinding typeInvocation , boolean staticOnly , boolean staticFieldsAndMethodOnly , boolean fromStaticImport , boolean checkQualification , boolean proposeAllMemberTypes , SourceTypeBinding typeToIgnore , ObjectVector typesFound ) { } private void findJavadocParamNames ( char [ ] token , char [ ] [ ] missingParams , boolean isTypeParam ) { } private void findSubMemberTypes ( char [ ] typeName , ReferenceBinding receiverType , Scope scope , SourceTypeBinding typeInvocation , boolean staticOnly , boolean staticFieldsAndMethodOnly , boolean fromStaticImport , ObjectVector typesFound ) { } private void findInterfacesMethods ( char [ ] selector , TypeBinding [ ] typeArgTypes , TypeBinding [ ] argTypes , ReferenceBinding receiverType , ReferenceBinding [ ] itsInterfaces , Scope scope , ObjectVector methodsFound , boolean onlyStaticMethods , boolean exactMatch , boolean isCompletingDeclaration , InvocationSite invocationSite , Scope invocationScope , boolean implicitCall , boolean superCall , boolean canBePrefixed , Binding [ ] missingElements , int [ ] missingElementssStarts , int [ ] missingElementsEnds , boolean missingElementsHaveProblems ) { } private void findImplicitMessageSends ( char [ ] token , TypeBinding [ ] argTypes , Scope scope , InvocationSite invocationSite , Scope invocationScope ) { } private void findLocalMethods ( char [ ] methodName , TypeBinding [ ] typeArgTypes , TypeBinding [ ] argTypes , MethodBinding [ ] methods , Scope scope , ObjectVector methodsFound , boolean onlyStaticMethods , boolean exactMatch , ReferenceBinding receiverType , InvocationSite invocationSite , Scope invocationScope , boolean implicitCall , boolean superCall , boolean canBePrefixed , Binding [ ] missingElements , int [ ] missingElementsStarts , int [ ] missingElementsEnds , boolean missingElementsHaveProblems ) { } private void findLocalMethodsFromFavorites ( char [ ] methodName , MethodBinding [ ] methods , Scope scope , ObjectVector methodsFound , ReferenceBinding receiverType , InvocationSite invocationSite , Scope invocationScope ) { } private CompletionProposal createRequiredTypeProposal ( Binding binding , int start , int end , int relevance ) { } private void findLocalMethodsOfStaticImports ( char [ ] methodName , MethodBinding [ ] methods , Scope scope , ObjectVector methodsFound , ReferenceBinding receiverType , InvocationSite invocationSite ) { } int computeRelevanceForCaseMatching ( char [ ] token , char [ ] proposalName ) { } private int computeRelevanceForAnnotation ( ) { } private int computeRelevanceForAnnotationTarget ( TypeBinding typeBinding ) { } private int computeRelevanceForClass ( ) { } private int computeRelevanceForEnum ( ) { } private int computeRelevanceForInterface ( ) { } private int computeRelevanceForMissingElements ( boolean hasProblems ) { } int computeRelevanceForQualification ( boolean prefixRequired ) { } int computeRelevanceForRestrictions ( int accessRuleKind ) { } private int computeRelevanceForStatic ( boolean onlyStatic , boolean isStatic ) { } private int computeRelevanceForException ( ) { } private int computeRelevanceForException ( char [ ] proposalName ) { } private int computeRelevanceForExpectingType ( TypeBinding proposalType ) { } private int computeRelevanceForExpectingType ( char [ ] packageName , char [ ] typeName ) { } private int computeRelevanceForInheritance ( ReferenceBinding receiverType , ReferenceBinding declaringClass ) { } int computeRelevanceForInterestingProposal ( ) { } private int computeRelevanceForInterestingProposal ( Binding binding ) { } private void computeUninterestingBindings ( ASTNode parent , Scope scope ) { } private void findLabels ( char [ ] label , char [ ] [ ] choices ) { } private void findLocalMethodDeclarations ( char [ ] methodName , MethodBinding [ ] methods , Scope scope , ObjectVector methodsFound , boolean exactMatch , ReferenceBinding receiverType ) { } private void createTypeVariable ( TypeVariableBinding typeVariable , StringBuffer completion ) { } private void createType ( TypeBinding type , StringBuffer completion ) { } private void createVargsType ( TypeBinding type , StringBuffer completion ) { } private char [ ] createImportCharArray ( char [ ] importedElement , boolean isStatic , boolean onDemand ) { } private void createMethod ( MethodBinding method , char [ ] [ ] parameterPackageNames , char [ ] [ ] parameterTypeNames , char [ ] [ ] parameterNames , StringBuffer completion ) { } private boolean isIgnored ( int kind , boolean missingTypes ) { } private boolean isIgnored ( int kind ) { } private boolean isIgnored ( int kind , int requiredProposalKind ) { } private void findMethods ( char [ ] selector , TypeBinding [ ] typeArgTypes , TypeBinding [ ] argTypes , ReferenceBinding receiverType , Scope scope , ObjectVector methodsFound , boolean onlyStaticMethods , boolean exactMatch , boolean isCompletingDeclaration , InvocationSite invocationSite , Scope invocationScope , boolean implicitCall , boolean superCall , boolean canBePrefixed , Binding [ ] missingElements , int [ ] missingElementsStarts , int [ ] missingElementsEnds , boolean missingElementsHaveProblems ) { } private char [ ] [ ] findMethodParameterNames ( MethodBinding method , char [ ] [ ] parameterTypeNames ) { } private void findNestedTypes ( char [ ] typeName , SourceTypeBinding currentType , Scope scope , boolean proposeAllMemberTypes , ObjectVector typesFound ) { } private void findPackages ( CompletionOnPackageReference packageStatement ) { } private void findParameterizedType ( TypeReference ref , Scope scope ) { } private void findTypeParameters ( char [ ] token , Scope scope ) { } private void findTypesAndPackages ( char [ ] token , Scope scope , ObjectVector typesFound ) { if ( token == null ) return ; boolean skip = false ; if ( ( ( token . length ) == 0 ) && ( CompletionEngine . NO_TYPE_COMPLETION_ON_EMPTY_TOKEN ) ) { if ( ( ! ( assistNodeIsConstructor ) ) && ( ( ( this . assistNodeInJavadoc ) & ( CompletionOnJavadoc . EXCEPTION ) ) == 0 ) ) { return ; } skip = true ; } boolean proposeType = ( ! ( this . requestor . isIgnored ( CompletionProposal . TYPE_REF ) ) ) || ( ( ( ( this . assistNodeInJavadoc ) & ( CompletionOnJavadoc . TEXT ) ) != 0 ) && ( ! ( this . requestor . isIgnored ( CompletionProposal . JAVADOC_TYPE_REF ) ) ) ) ; boolean proposeAllMemberTypes = ! ( this . assistNodeIsConstructor ) ; if ( ( ( ! skip ) && proposeType ) && ( ( scope . enclosingSourceType ( ) ) != null ) ) { findNestedTypes ( token , scope . enclosingSourceType ( ) , scope , proposeAllMemberTypes , typesFound ) ; <START_BUG> if ( ( ! ( assistNodeIsConstructor ) ) && ( ! ( assistNodeIsAnnotation ) ) ) { <END_BUG>

Fix:
if ( ( ( ! ( assistNodeIsConstructor ) ) && ( ! ( assistNodeIsAnnotation ) ) ) && ( ( this . assistNodeInJavadoc ) == 0 ) ) {